What is CVE-2026-40988?

CVE-2026-40988 is a high-severity vulnerability, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-06-10.

How severe is CVE-2026-40988?

High severity. CVSS v3 base score is 7.5 out of 10.

CVE-2026-40988

CVE-2026-40988

An application using spring-security-saml2-service-provider and the REDIRECT binding for SAML 2.0 Login or Logout may be vulnerable to a denial of service by way of an unbounded writer that inflates the compressed SAML payload into memory…

Vulnerability class: DoS (Denial of Service)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security@vmware.com

Frequently asked questions

What is CVE-2026-40988?: CVE-2026-40988 is a high-severity vulnerability, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-06-10.
How severe is CVE-2026-40988?: High severity. CVSS v3 base score is 7.5 out of 10.